Broadway.com Audience Choice Award winner Darren Criss paid a visit to Conan O'Brien last night. Most recently seen on Broadway as Hedwig (the role in Hedwig and the Angry Inch that won a Tony Award for Neil Patrick Harris), Criss led the recent touring production. In the sit-down with O'Brien, he talked makeup, NPH, and the upcoming Supergirl/Flash crossover episode.

Criss is set reunite with Glee friends Melissa Benoist and Grant Gustin in the role of the evil Music Meister for the episode. Also joining the roster will be Jesse L. Martin, Victor Garber, Carlos Valdes, John Barrowman and Jeremy Jordan.